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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
apparatus and instruments for measuring air flow speed and direction, namely, ultrasonic anemometers; apparatus and instruments for measuring air temperature, namely, temperature sensors utilizing acoustic resonance; [ apparatus and instruments for measuring air pressure, namely, ultrasonic pressure sensors for measuring atmospheric air pressure; ] apparatus for transmission of sound; data processing equipment and computer software for use in measuring the speed, direction, temperature [ and pressure ] of airflow